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mimalloc

v0.1.52 Growing

Performance and security oriented drop-in allocator

MIT Edition 2018
API bindingsMemory management #performance#allocator#mimalloc#encrypted-heap

Quick Verdict

  • โœ“Actively maintained (updated 3d ago)
  • !Pre-1.0: API may have breaking changes
  • โœ“Massive adoption (11.0K crates depend on it)
  • โœ“Tiny footprint (5KB, 1 deps)
  • โœ“Permissive license (MIT)

Security

Checking security advisories...
Downloads
36.2M
Dependents
11.0K
Releases
53
Size
5KB

Deep Insights

๐Ÿ“Š
Steady growth

2.8M downloads in the last 30 days (94.8K/day), up 8% from the previous period.

๐Ÿ›๏ธ
Foundational crate

11.0K crates depend on mimalloc โ€” it's part of the Rust ecosystem's core infrastructure. Removing it from your dependency tree would be extremely difficult.

โš ๏ธ
Single maintainer risk

mimalloc has only 1 owner despite 11.0K dependents. This is a bus-factor concern โ€” consider the implications for long-term support.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 6+ years old, mimalloc hasn't reached 1.0 yet. Expect potential API changes between versions.

๐Ÿชถ
Minimal dependencies

Only 1 direct dependencies. Lean dependency tree means faster builds and lower supply chain risk.

๐Ÿ“
Compact crate

At 5KB, mimalloc is lightweight. Small crate size correlates with focused, well-scoped functionality.

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Notable yanked versions

23% of releases have been yanked. Check version history before pinning.

๐ŸŒŸ
Used by top crates

Notable dependents include aws-smithy-eventstream, epaint, ark-relations, encase, parity-util-mem. When high-quality crates choose mimalloc, it's a strong quality signal.

Health Breakdown

Maintenance 19/25

Recency, release consistency, active ratio

Quality 14/25

Yanked ratio, deps, size, maturity, features

Community 15/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 9/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
97K/day avg-22%
050K100K150K2/263/164/34/215/95/26

Top Dependents

Version Adoption

v0.1.48
51%
v0.1.43
23%
v0.1.47
11%
v0.1.46
9%
v0.1.44
6%

Release Timeline

10 releases1 yankedsince 2024
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F
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A
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J
J
A
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N
D
2024
1
2025
5
2026
4
Less
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Yanked

Feature Flags

v2debugno_thpsecureextendedoverridedebug_in_debugwin_direct_tlslocal_dynamic_tls

README

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Maintainers

Dependencies
1
direct dependencies
Dependents
11.0K
crates depend on mimalloc

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